8JIO

XBB spike protein (S) in complex with monoclonal antibody 6I18

• PDB DOI: https://doi.org/10.2210/pdb8JIO/pdb
• EM Map EMD-36322: EMDB EMDataResource

• Classification: VIRAL PROTEIN
• Organism(s): Severe acute respiratory syndrome coronavirus 2, Homo sapiens
• Expression System: Homo sapiens
• Mutation(s): Yes 


• Deposited: 2023-05-27 Released: 2024-05-29 
• Deposition Author(s): Ma, Y., Mao, Q., Wang, Y., Zhang, Z.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

---

Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.30 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Structure of XBB spike protein (S) in complex with monoclonal antibody 6I18 at 3.30 Angstroms resolution.

Mao, Q., Hao, A., Chen, Z., Sun, L.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 3-mer - A1B1C1 

Biological assembly 1 assigned by authors and generated by (software)

Biological Assembly Evidence: electron microscopy

Macromolecule Content

• Total Structure Weight: 216.09 kDa 
• Atom Count: 8,698 
• Modelled Residue Count: 1,120 
• Deposited Residue Count: 1,961 
• Unique protein chains: 3

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Spike glycoprotein	A	1,295	Severe acute respiratory syndrome coronavirus 2	Mutation(s): 34  Gene Names: S, 2
UniProt
Find proteins for P0DTC2 (Severe acute respiratory syndrome coronavirus 2) Explore P0DTC2  Go to UniProtKB:  P0DTC2

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
6I18 light chain	B	214	Homo sapiens	Mutation(s): 0

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
6I18 heavy chain	C	452	Homo sapiens	Mutation(s): 0

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.30 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-05-29 
Deposition Author(s): Ma, Y., Mao, Q., Wang, Y., Zhang, Z.

---

Funding Organization	Location	Grant Number
National Natural Science Foundation of China (NSFC)	China	81900729

Revision History  

• Version 1.0: 2024-05-29
  Type: Initial release